http://bugs.dpdk.org/show_bug.cgi?id=1905
Bug ID: 1905
Summary: Reduce memory footprint by using rte_max_lcore instead
of RTE_MAX_LCORE
Product: wishes
Version: unspecified
Hardware: All
OS: All
Status: UNCONFIRMED
Severity: normal
Priority: Normal
Component: any
Assignee: [email protected]
Reporter: [email protected]
Target Milestone: ---
Group: wishes-managers
Goal:
Reduce memory footprint of DPDK applications
Means:
Many arrays are sized to RTE_MAX_LCORE, which is set at build time.
This affects the memory footprint when RTE_MAX_LCORE is significantly higher
than the number of lcores used by the application.
Let's introduce an application startup-time configuration variable,
rte_max_lcore, to serve the same purposes RTE_MAX_LCORE does today.
It should be an optional EAL parameter, using RTE_MAX_LCORE as default.
By rightsizing the arrays scaling with the number of lcores, the application
memory footprint would be reduced, and allow building DPDK with a huge
RTE_MAX_LCORE.
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